program: syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x0, &(0x7f0000000140)=ANY=[], 0x1, 0x69e, &(0x7f00000007c0)="$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") r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x202, &(0x7f0000000200)) (async) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x70000}]) syz_open_dev$tty1(0xc, 0x4, 0x4) r2 = syz_open_dev$sg(&(0x7f0000000180), 0x1, 0x28000) ioctl$SG_SET_DEBUG(r2, 0x227e, &(0x7f0000000000)=0x80000001) (async) ioctl$SG_SET_DEBUG(r2, 0x227e, &(0x7f0000000000)=0x80000001) ioctl$SG_IO(r2, 0x2285, &(0x7f0000000740)={0x53, 0xffffffffffffffff, 0x6, 0x1, @scatter={0x30, 0x0, 0x0}, &(0x7f00000005c0)="93b02e37c336", 0x0, 0x4, 0x0, 0x0, 0x0}) [ 68.396492][ T4683] Bluetooth: hci0: command tx timeout [ 68.474645][ T5334] loop0: detected capacity change from 0 to 1024 [ 68.538908][ T5335] [ 68.539963][ T5335] ============================================ [ 68.542201][ T5335] WARNING: possible recursive locking detected [ 68.544507][ T5335] 6.16.0-rc7-syzkaller #0 Not tainted [ 68.546930][ T5335] -------------------------------------------- [ 68.549299][ T5335] syz.0.0/5335 is trying to acquire lock: [ 68.551316][ T5335] ffff88803348e0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 68.555517][ T5335] [ 68.555517][ T5335] but task is already holding lock: [ 68.558832][ T5335] ffff88803348e0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 68.562980][ T5335] [ 68.562980][ T5335] other info that might help us debug this: [ 68.566359][ T5335] Possible unsafe locking scenario: [ 68.566359][ T5335] [ 68.569622][ T5335] CPU0 [ 68.571085][ T5335] ---- [ 68.572279][ T5335] lock(&tree->tree_lock/1); [ 68.574296][ T5335] lock(&tree->tree_lock/1); [ 68.576461][ T5335] [ 68.576461][ T5335] *** DEADLOCK *** [ 68.576461][ T5335] [ 68.580172][ T5335] May be due to missing lock nesting notation [ 68.580172][ T5335] [ 68.583789][ T5335] 4 locks held by syz.0.0/5335: [ 68.586053][ T5335] #0: ffff888053862b78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xe3/0x540 [ 68.591134][ T5335] #1: ffff888053862988 (&hip->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 68.595686][ T5335] #2: ffff88803348e0b0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x15a/0x1d0 [ 68.600220][ T5335] #3: ffff888053860108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1fc/0x1990 [ 68.605702][ T5335] [ 68.605702][ T5335] stack backtrace: [ 68.608198][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) [ 68.608214][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.608220][ T5335] Call Trace: [ 68.608227][ T5335] [ 68.608233][ T5335] dump_stack_lvl+0x189/0x250 [ 68.608251][ T5335] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.608264][ T5335] ? __pfx__printk+0x10/0x10 [ 68.608278][ T5335] ? print_lock_name+0xde/0x100 [ 68.608291][ T5335] print_deadlock_bug+0x28b/0x2a0 [ 68.608306][ T5335] validate_chain+0x1a3f/0x2140 [ 68.608319][ T5335] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 68.608383][ T5335] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.608400][ T5335] __lock_acquire+0xab9/0xd20 [ 68.608412][ T5335] ? hfsplus_find_init+0x15a/0x1d0 [ 68.608425][ T5335] lock_acquire+0x120/0x360 [ 68.608434][ T5335] ? hfsplus_find_init+0x15a/0x1d0 [ 68.608445][ T5335] ? __se_sys_io_submit+0x185/0x2f0 [ 68.608462][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.608480][ T5335] __mutex_lock+0x182/0xe80 [ 68.608491][ T5335] ? hfsplus_find_init+0x15a/0x1d0 [ 68.608504][ T5335] ? hfsplus_find_init+0x15a/0x1d0 [ 68.608518][ T5335] ? __pfx___mutex_lock+0x10/0x10 [ 68.608533][ T5335] ? rcu_is_watching+0x15/0xb0 [ 68.608546][ T5335] ? __kmalloc_noprof+0x29b/0x4f0 [ 68.608559][ T5335] ? hfsplus_find_init+0x8c/0x1d0 [ 68.608571][ T5335] hfsplus_find_init+0x15a/0x1d0 [ 68.608586][ T5335] hfsplus_file_extend+0x416/0x1990 [ 68.608606][ T5335] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 68.608620][ T5335] ? __mutex_trylock_common+0x153/0x260 [ 68.608633][ T5335] ? __pfx___mutex_trylock_common+0x10/0x10 [ 68.608652][ T5335] ? trace_contention_end+0x39/0x120 [ 68.608665][ T5335] ? __mutex_lock+0x330/0xe80 [ 68.608675][ T5335] ? hfsplus_brec_find+0x191/0x500 [ 68.608689][ T5335] hfsplus_bmap_reserve+0x122/0x500 [ 68.608702][ T5335] __hfsplus_ext_write_extent+0x28d/0x5b0 [ 68.608719][ T5335] __hfsplus_ext_cache_extent+0x89/0xe30 [ 68.608736][ T5335] hfsplus_file_extend+0x444/0x1990 [ 68.608755][ T5335] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 68.608771][ T5335] ? clean_bdev_aliases+0x5c9/0x6b0 [ 68.608789][ T5335] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 68.608805][ T5335] hfsplus_get_block+0x411/0x1530 [ 68.608822][ T5335] ? __pfx_hfsplus_get_block+0x10/0x10 [ 68.608836][ T5335] ? do_raw_spin_unlock+0x4d/0x240 [ 68.608851][ T5335] ? _raw_spin_unlock+0x28/0x50 [ 68.608867][ T5335] __block_write_begin_int+0x6b2/0x1900 [ 68.608892][ T5335] ? folio_add_lru+0x1b2/0x3d0 [ 68.608908][ T5335] ? __pfx_hfsplus_get_block+0x10/0x10 [ 68.608923][ T5335] ? __pfx___block_write_begin_int+0x10/0x10 [ 68.608941][ T5335] cont_write_begin+0x789/0xb50 [ 68.608960][ T5335] ? __pfx_cont_write_begin+0x10/0x10 [ 68.608975][ T5335] ? __pfx___might_resched+0x10/0x10 [ 68.608988][ T5335] ? folio_unlock+0x101/0x160 [ 68.609003][ T5335] hfsplus_write_begin+0x66/0xb0 [ 68.609017][ T5335] ? __pfx_hfsplus_get_block+0x10/0x10 [ 68.609032][ T5335] generic_perform_write+0x2c7/0x910 [ 68.609044][ T5335] ? __pfx_generic_perform_write+0x10/0x10 [ 68.609053][ T5335] ? file_update_time+0x2da/0x490 [ 68.609065][ T5335] ? __generic_file_write_iter+0xf9/0x230 [ 68.609074][ T5335] ? generic_file_write_iter+0xfb/0x540 [ 68.609084][ T5335] generic_file_write_iter+0x10f/0x540 [ 68.609128][ T5335] ? aa_file_perm+0x11f/0xed0 [ 68.609140][ T5335] ? __pfx_generic_file_write_iter+0x10/0x10 [ 68.609176][ T5335] ? __lock_acquire+0xab9/0xd20 [ 68.609191][ T5335] ? aio_write+0x4c4/0x7a0 [ 68.609206][ T5335] aio_write+0x535/0x7a0 [ 68.609220][ T5335] ? __pfx_aio_write+0x10/0x10 [ 68.609235][ T5335] ? __might_fault+0xb0/0x130 [ 68.609251][ T5335] io_submit_one+0x78b/0x1310 [ 68.609267][ T5335] ? __pfx_io_submit_one+0x10/0x10 [ 68.609280][ T5335] ? __might_fault+0xb0/0x130 [ 68.609292][ T5335] ? __might_fault+0xb0/0x130 [ 68.609303][ T5335] __se_sys_io_submit+0x185/0x2f0 [ 68.609316][ T5335] ? __pfx___se_sys_io_submit+0x10/0x10 [ 68.609329][ T5335] ? do_syscall_64+0xbe/0x3b0 [ 68.609343][ T5335] do_syscall_64+0xfa/0x3b0 [ 68.609353][ T5335] ? lockdep_hardirqs_on+0x9c/0x150 [ 68.609364][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.609374][ T5335] ? clear_bhb_loop+0x60/0xb0 [ 68.609385][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.609396][ T5335] RIP: 0033:0x7febb058e9a9 [ 68.609408][ T5335] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 68.609418][ T5335] RSP: 002b:00007febb1488038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 68.609431][ T5335] RAX: ffffffffffffffda RBX: 00007febb07b6080 RCX: 00007febb058e9a9 [ 68.609439][ T5335] RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007febb145f000 [ 68.609445][ T5335] RBP: 00007febb0610d69 R08: 0000000000000000 R09: 0000000000000000 [ 68.609452][ T5335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.609458][ T5335] R13: 0000000000000000 R14: 00007febb07b6080 R15: 00007ffd14023c78 [ 68.609469][ T5335] [ 68.842448][ T5336] sr 2:0:0:0: [sr0] tag#30 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=0s [ 68.846981][ T5336] sr 2:0:0:0: [sr0] tag#30 CDB: Write same(16) 93 b0 2e 37 c3 36 [ 70.402148][ T4683] Bluetooth: hci0: command tx timeout [ 72.482463][ T4683] Bluetooth: hci0: command tx timeout [ 74.562134][ T4683] Bluetooth: hci0: command tx timeout